Three new cases of the deadly Ebola virus have been confirmed in liberia, the country’s health ministry and World Health Organisation said on Friday, after the nation was declared Ebola-free in September. An official in the West Africa country that has been devastated by the worst ever outbreak of the virus urged calm, insisting that health workers had the means to contain the latest outbreak. “We are calling on the population not to panic because we have people capable of putting the situation under control,” health ministry spokesman Sorbor George told reporters.